Question -
Answer -
(i) Construction of a huge dam creates large scale destruction of natural vegetation and wildlife in those areas, which get submerged. This is not good for the ecosystem. Hence, environmental aspects must be carefully looked into, before building huge dams.
(ii) Coal is an important source of energy and hence most of the industries are located around coal mines.
(iii) Petroleum is a thick black liquid and is a valuable resource for various industries. Hence, it is also known as “Black Gold”.
(iv) Quarrying creates many problems. Fine dust particles spread in the air around a quarrying site. Dust particles from quarry can cause respiratory problems. Quarrying also destroys natural vegetation and thus the home of many wild animals.